class Test4 {
    public Test4() {
        System.out.println("构造器");
    }
    public void info() {
        System.out.println("info");
    }
    static {
        System.out.println("test static 1");
    }
    public static void main(String[] args) {
        new Test4().info();
    }
    {
        System.out.println("代码块");
    }
    static {
        System.out.println("test static 2");
    }
}
